Postings are lean in part because of academic demands. I just finished a midterm in my course on the physiology of the synapse. It took me four hours, and I was the first to leave.
I was telling my current supervisor about the test and how amazed I was by the tenacity of the other, younger, students. Maybe it's just because I'm lazy, but I feel there is no reason to write a three paragraph answer if one sentence will suffice. Also, there is no point in staring at a question for half an hour if you don't know the answer; accept that you don't know, put down your best guess, and move on. Then my supervisor told me something I wasn't prepared for, something I thought I was not yet of age to have.
"I think that is what they call wisdom ..."